US20240115470A1 - Methyl-fluoro-hydroxybenzoates in consumer products - Google Patents
Methyl-fluoro-hydroxybenzoates in consumer products Download PDFInfo
- Publication number
- US20240115470A1 US20240115470A1 US18/252,750 US202118252750A US2024115470A1 US 20240115470 A1 US20240115470 A1 US 20240115470A1 US 202118252750 A US202118252750 A US 202118252750A US 2024115470 A1 US2024115470 A1 US 2024115470A1
- Authority
- US
- United States
- Prior art keywords
- methyl
- fluoro
- hydroxybenzoate
- hydroxybenzoates
- salicylate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- JXZNEQQXAKJGEW-UHFFFAOYSA-N 3-fluoro-2-hydroxy-4-methylbenzoic acid Chemical class FC=1C(=C(C(=O)O)C=CC1C)O JXZNEQQXAKJGEW-UHFFFAOYSA-N 0.000 title claims abstract description 18
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229960001047 methyl salicylate Drugs 0.000 claims abstract description 27
- 239000000796 flavoring agent Substances 0.000 claims abstract description 22
- 235000019634 flavors Nutrition 0.000 claims abstract description 20
- 239000003205 fragrance Substances 0.000 claims abstract description 15
- 235000007297 Gaultheria procumbens Nutrition 0.000 claims abstract description 13
- 241000333569 Pyrola minor Species 0.000 claims abstract 2
- WPWUDDDJTIZBGL-UHFFFAOYSA-N methyl 4-fluoro-2-hydroxybenzoate Chemical compound COC(=O)C1=CC=C(F)C=C1O WPWUDDDJTIZBGL-UHFFFAOYSA-N 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 24
- ZSIIFQFGYNHHOP-UHFFFAOYSA-N methyl 2-fluoro-6-hydroxybenzoate Chemical compound COC(=O)C1=C(O)C=CC=C1F ZSIIFQFGYNHHOP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000470 constituent Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 30
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 16
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 12
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- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 9
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
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- NRGQRZHYRCJTKV-UHFFFAOYSA-N methyl 3-fluoro-2-hydroxybenzoate Chemical compound COC(=O)C1=CC=CC(F)=C1O NRGQRZHYRCJTKV-UHFFFAOYSA-N 0.000 description 3
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- BCOXBEHFBZOJJZ-UHFFFAOYSA-N Z-hex-3-en-1-yl benzoate Natural products CCC=CCCOC(=O)C1=CC=CC=C1 BCOXBEHFBZOJJZ-UHFFFAOYSA-N 0.000 description 1
- UJNOLBSYLSYIBM-WISYIIOYSA-N [(1r,2s,5r)-5-methyl-2-propan-2-ylcyclohexyl] (2r)-2-hydroxypropanoate Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OC(=O)[C@@H](C)O UJNOLBSYLSYIBM-WISYIIOYSA-N 0.000 description 1
- IIUKCYITROTKFB-HNNXBMFYSA-N [(1s)-3-(4-methylpent-3-enyl)cyclohex-3-en-1-yl]methyl acetate Chemical compound CC(C)=CCCC1=CCC[C@H](COC(C)=O)C1 IIUKCYITROTKFB-HNNXBMFYSA-N 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- HTQLNWONIAXQKC-UHFFFAOYSA-N [4-(4-methylpent-3-enyl)cyclohex-3-en-1-yl]methyl acetate Chemical compound CC(C)=CCCC1=CCC(COC(C)=O)CC1 HTQLNWONIAXQKC-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000002386 air freshener Substances 0.000 description 1
- 229940064734 aminobenzoate Drugs 0.000 description 1
- 239000010617 anise oil Substances 0.000 description 1
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 1
- 230000002272 anti-calculus Effects 0.000 description 1
- 229940121363 anti-inflammatory agent Drugs 0.000 description 1
- 239000002260 anti-inflammatory agent Substances 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000010620 bay oil Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000021029 blackberry Nutrition 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 235000021014 blueberries Nutrition 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000004075 cariostatic agent Substances 0.000 description 1
- 229940119201 cedar leaf oil Drugs 0.000 description 1
- 229960005233 cineole Drugs 0.000 description 1
- 239000010630 cinnamon oil Substances 0.000 description 1
- NPFVOOAXDOBMCE-PLNGDYQASA-N cis-3-Hexenyl acetate Natural products CC\C=C/CCOC(C)=O NPFVOOAXDOBMCE-PLNGDYQASA-N 0.000 description 1
- ZCHOPXVYTWUHDS-UHFFFAOYSA-N cis-3-hexenyl n-butyrate Natural products CCCC(=O)OCCC=CCC ZCHOPXVYTWUHDS-UHFFFAOYSA-N 0.000 description 1
- IVLCENBZDYVJPA-ARJAWSKDSA-N cis-Jasmone Natural products C\C=C/CC1=C(C)CCC1=O IVLCENBZDYVJPA-ARJAWSKDSA-N 0.000 description 1
- 239000010500 citrus oil Substances 0.000 description 1
- 239000010634 clove oil Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 239000003975 dentin desensitizing agent Substances 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000294 eucalyptus globulus labille leaf/twig oil Substances 0.000 description 1
- 239000010642 eucalyptus oil Substances 0.000 description 1
- 229940044949 eucalyptus oil Drugs 0.000 description 1
- 229960002217 eugenol Drugs 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000008369 fruit flavor Substances 0.000 description 1
- UFLHIIWVXFIJGU-UHFFFAOYSA-N hex-3-en-1-ol Natural products CCC=CCCO UFLHIIWVXFIJGU-UHFFFAOYSA-N 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 229940095045 isopulegol Drugs 0.000 description 1
- 239000010501 lemon oil Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 1
- 229930007744 linalool Natural products 0.000 description 1
- 239000007937 lozenge Substances 0.000 description 1
- 239000001115 mace Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 229930007503 menthone Natural products 0.000 description 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical class [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
- 229940102398 methyl anthranilate Drugs 0.000 description 1
- KVWWIYGFBYDJQC-UHFFFAOYSA-N methyl dihydrojasmonate Chemical compound CCCCCC1C(CC(=O)OC)CCC1=O KVWWIYGFBYDJQC-UHFFFAOYSA-N 0.000 description 1
- 229940095518 mouthwash product Drugs 0.000 description 1
- ZYTMANIQRDEHIO-UHFFFAOYSA-N neo-Isopulegol Natural products CC1CCC(C(C)=C)C(O)C1 ZYTMANIQRDEHIO-UHFFFAOYSA-N 0.000 description 1
- 239000001702 nutmeg Substances 0.000 description 1
- 239000002417 nutraceutical Substances 0.000 description 1
- 235000021436 nutraceutical agent Nutrition 0.000 description 1
- LMXFTMYMHGYJEI-UHFFFAOYSA-N p-menthane-3,8-diol Chemical compound CC1CCC(C(C)(C)O)C(O)C1 LMXFTMYMHGYJEI-UHFFFAOYSA-N 0.000 description 1
- 229930006948 p-menthane-3,8-diol Natural products 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- SATCULPHIDQDRE-UHFFFAOYSA-N piperonal Chemical compound O=CC1=CC=C2OCOC2=C1 SATCULPHIDQDRE-UHFFFAOYSA-N 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000012521 purified sample Substances 0.000 description 1
- 239000010668 rosemary oil Substances 0.000 description 1
- 229940058206 rosemary oil Drugs 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
- 239000001296 salvia officinalis l. Substances 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000010677 tea tree oil Substances 0.000 description 1
- 229940111630 tea tree oil Drugs 0.000 description 1
- 239000001789 thuja occidentalis l. leaf oil Substances 0.000 description 1
- 239000010678 thyme oil Substances 0.000 description 1
- 229940095688 toothpaste product Drugs 0.000 description 1
- NPFVOOAXDOBMCE-UHFFFAOYSA-N trans-3-hexenyl acetate Natural products CCC=CCCOC(C)=O NPFVOOAXDOBMCE-UHFFFAOYSA-N 0.000 description 1
- XJPBRODHZKDRCB-UHFFFAOYSA-N trans-alpha-ocimene Natural products CC(=C)CCC=C(C)C=C XJPBRODHZKDRCB-UHFFFAOYSA-N 0.000 description 1
- XMLSXPIVAXONDL-UHFFFAOYSA-N trans-jasmone Natural products CCC=CCC1=C(C)CCC1=O XMLSXPIVAXONDL-UHFFFAOYSA-N 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000009637 wintergreen oil Substances 0.000 description 1
- 229930007850 β-damascenone Natural products 0.000 description 1
- IHPKGUQCSIINRJ-UHFFFAOYSA-N β-ocimene Natural products CC(C)=CCC=C(C)C=C IHPKGUQCSIINRJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q13/00—Formulations or additives for perfume preparations
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0061—Essential oils; Perfumes compounds containing a six-membered aromatic ring not condensed with another ring
Definitions
- the present invention is concerned generally to consumer products comprising certain methyl-fluoro-hydroxybenzoates.
- the present invention further relates to the use of certain methyl-fluoro-hydroxybenzoates for imparting a wintergreen odor note to a consumer product.
- the present invention further relates to the use of certain methyl-fluoro-hydroxybenzoates as complete or partial replacement for methyl salicylate.
- Methyl salicylate is a commonly used flavour and fragrance compound which provides the characteristic flavour of wintergreen to foods, beverages, candies, chewing gums and oral care products.
- the sensory properties of methyl salicylate are described as wintergreen, sweet, warm, slightly phenolic.
- a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- a consumer product comprising methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- methyl-fluoro-hydroxybenzoate as a wintergreen flavor imparting ingredient, characterized in that the methyl-fluoro-hydroxybenzoate is selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- Methyl-fluoro-hydroxybenzoates are well known and are widely used as starting materials in the synthesis of pharmaceuticals and agrochemicals.
- methyl-fluoro-hydroxybenzoates possessing surprisingly low odor threshold concentrations compared to methyl salicylate and compounds with other methyl-fluoro-hydroxybenzoates (such as methyl 3/5-fluoro-2-hydroxybenzoate). Due to the surprisingly low odor threshold of methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate compared to methyl salicylate, less can be used to achieve a similar odor profile.
- a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate is used to impart wintergreen olfactory properties to a fragrance flavor composition.
- a flavor or fragrance composition comprising methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate, characterized in that the composition is essentially free of methyl salicylate.
- a flavor or fragrance composition “essentially free of methyl salicylate” a composition is meant preferably comprising 0.005 wt % or less (e.g. 0.004, 0.003, 0.002, 0.001. 0.0005, 0.0001, 0.00005, 0.00001 or less) based on said composition.
- the fragrance/flavour composition of the first aspect of the invention may be admixed by any means to a consumer product.
- consumer products such as fine perfumery, e.g. perfume and eau de toilette; fabric care, household products and personal care products such as oral care products, cosmetics, laundry care detergents, rinse conditioner, personal cleansing composition, detergent for dishwasher, surface cleaner; laundry products, e.g. softener, bleach, detergent; body-care products, e.g. shampoo, shower gel; air care products, e.g. air-freshener, and the like.
- products such as fine perfumery, e.g. perfume and eau de toilette
- fabric care, household products and personal care products such as oral care products, cosmetics, laundry care detergents, rinse conditioner, personal cleansing composition, detergent for dishwasher, surface cleaner; laundry products, e.g. softener, bleach, detergent; body-care products, e.g. shampoo, shower gel; air care products, e.g. air-freshener, and the like.
- the consumer product is consumable.
- the term “consumables” refers to products for consumption by a subject, typically via the oral cavity (although consumption may occur via non-oral means such as inhalation), for at least one of the purposes of enjoyment, nourishment, or health and wellness benefits.
- Consumables may be present in any form including, but not limited to, liquids, solids, semi-solids, tablets, capsules, lozenges, strips, powders, gels, gums, pastes, slurries, syrups, aerosols and sprays.
- the term also refers to, for example, dietary and nutritional supplements.
- Consumables include compositions that are placed within the oral cavity for a period of time before being discarded but not swallowed. It may be placed in the mouth before being consumed, or it may be held in the mouth for a period of time before being discarded.
- consumables include, but are not limited to, foodstuffs of all kinds, confectionery products, baked products, sweet products, savory products, fermented products, dairy products, beverages, oral care products, nutraceuticals and pharmaceuticals.
- oral care products refers to non-food compositions that are designed to be taken into the mouth to deliver a variety of benefits. Such compositions include dentifrices, mouthwashes, mouth sprays and gargle compositions, breath strips (edible films placed in the oral cavity to administer thereto an active agent such as a flavourant or breath-freshening agent), and chewing gums.
- dentifrice means toothpaste, oral care gels or liquids, unless otherwise specified.
- the dentifrice composition may be a single-phase composition or it may be a combination of two or more separate dentifrice compositions.
- the dentifrice composition may be in any desired form, such as deep-striped, surface-striped, multilayered, having the gel surrounding the paste, or any combination thereof.
- the oral care products typically comprises further ingredients which are common in the art, such as, odorants and flavors (other than methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate), sweeteners, cooling agents, antimicrobial agents, anti-inflammatory agents, anti-caries agents, abrasives, plaque puffers, humectants, vitamins, plant extracts, desensitising agents, anti-calculus agents, preservatives, coloring agents, pH-adjusting agents, surfactants, and the like.
- odorants and flavors other than methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate
- sweeteners such as, odorants and flavors (other than methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate), sweeteners, cooling agents, antimicrobial agents, anti-inflammatory agents, anti-caries agents, abrasives, plaque puffers, humectants, vitamins, plant extracts
- Methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be employed in widely varying amounts, depending on the specific product and on the nature and quantity of the other odorant ingredients present. The proportion is typically from 0.00001 to 1 weight percent of the product.
- methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be employed in a an oral care products in an amount from 0.1 to 0.005 wt % (e.g. toothpaste about 0.0001-0.05 wt %, or mouthwash 0.00005 to 0.01 wt %).
- toothpaste about 0.0001-0.05 wt %, or mouthwash 0.00005 to 0.01 wt %.
- Methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be used alone or blended with, e.g., flavor oils, such as spearmint oil, cinnamon oil, oil of wintergreen (methyl salicylate), peppermint oil, Japanese mint oil, clove oil, bay oil, anise oil, eucalyptus oil, thyme oil, cedar leaf oil, oil of nutmeg, allspice, oil of sage, mace, oil of bitter almonds, and cassia oil; useful flavoring agents include artificial, natural and synthetic fruit flavors such as vanilla, and citrus oils including lemon, orange, lime, grapefruit, yuzu, sudachi, and fruit essences including apple, pear, peach, grape, raspberry, blackberry, gooseberry, blueberry, strawberry, cherry, plum, prune, raisin, cola, guarana, neroli, pineapple, apricot, banana, melon, apricot, cherry, tropical fruit, mango,
- methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be blended with cooling agents, such as, p-menthanecarboxamides, N-2,3-trimethyl-2-isopropyl-butanamide (WS-23), menthyl lactate (Frescolat® ML), menthone glycerol acetal (Frescolat® MGA), 3-(1-menthoxy)-propane-1,2-diol (TK-10), p-menthane-3,8-diol (known as Coolact 38D), isopulegol (known as Coolact P), monomenthyl succinate (Physcool®), monomenthyl glutarate, o-menthylglycerol, menthyl N,N-dimethylsuccinamate, 2-(sec-butyl)cyclohexan-1-one (Freskomenthe), N-(pyrazol-3-yl)-N
- the sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 150° C. and 0.050 mbar.
- the sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 120° C. and 0.07 Torr (0.093 mbar).
- the sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 150° C. and 0.080 mbar.
- the sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 150° C. and 0.083 mbar.
- Example 1 A 10 wt % solution of the purified samples of Example 1 were prepared (compound @10 wt % in polyethylene glycol). The odor profile was assessed freshly dipped on smelling strips.
- the odour threshold concentration is defined as the lowest concentration of the vapour of an odorant material in the air which can be detected by smell and can be measured by standard methods known in the art.
- threshold concentrations for volatile perfumery compounds are determined on a gas chromatograph equipped with a sniff port by a panel of trained evaluators. The lowest concentration smelled by each panelist is recorded as the individual threshold concentration expressed in ng (absolute amount of compound delivered at the sniff port).
- the odor threshold concentration of methyl 4-fluoro-2-hydroxybenzoate is more than 5 times lower than the odor threshold concentration of methyl salicylate and more than 10 times lower than the odor threshold of methyl 3-fluoro-2-hydroxybenzoate.
- Example 4 Flavor Formulation Suitable for Toothpaste Product
- the formulation above is a typical wintergreen type flavor suitable for the use in toothpaste products, at a dosage of, e.g. 1.2 wt %.
- Example 5 Flavor Formulation Suitable for Mouthwash Product
- the formulation above is a typical wintergreen type flavor suitable for the use in mouthwash products, at a dosage of, e.g. 0.3 wt %.
- the accord above represents a light floral cologne accord, suitable for fine perfumery at a dosage of e.g. 5 weight %.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Fats And Perfumes (AREA)
Abstract
Disclosed is the use of certain methyl-fluoro-hydroxybenzoates as flavor and fragrance constituents and for imparting a wintergreen odor note to a consumer product. Furthermore the use of certain methyl-fluoro-hydroxybenzoates as complete or partial replacement for methyl salicylate is disclosed.
Description
- The present invention is concerned generally to consumer products comprising certain methyl-fluoro-hydroxybenzoates. The present invention further relates to the use of certain methyl-fluoro-hydroxybenzoates for imparting a wintergreen odor note to a consumer product. The present invention further relates to the use of certain methyl-fluoro-hydroxybenzoates as complete or partial replacement for methyl salicylate.
- Methyl salicylate is a commonly used flavour and fragrance compound which provides the characteristic flavour of wintergreen to foods, beverages, candies, chewing gums and oral care products. The sensory properties of methyl salicylate are described as wintergreen, sweet, warm, slightly phenolic.
- While products flavored with methyl salicylate have gained widespread consumer acceptance, the use of such a compound poses a potential risk (CMR 2) of adverse publicity or governmental regulation which could limit the level at which it may be used, or prohibit it entirely.
- The availability of a replacement compound for methyl salicylate would be highly desirable.
- In accordance with the first aspect of the present invention there is provided the use as flavor or fragrance a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- In accordance with the second aspect of the present invention there is provided a consumer product comprising methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- In accordance with a third aspect of the present invention there is provided the use of methyl-fluoro-hydroxybenzoate as a wintergreen flavor imparting ingredient, characterized in that the methyl-fluoro-hydroxybenzoate is selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- Methyl-fluoro-hydroxybenzoates are well known and are widely used as starting materials in the synthesis of pharmaceuticals and agrochemicals.
- It has now surprisingly been found that both, methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate possessing an odor profile which is very similar to methyl salicylate. Beside the wintergreen odor characteristic, the sweetness aspect of methyl salicylate plays an important role to the overall sensory profile. Whereas both, methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate possessing these sweet aspect, theses aspects are essentially missing for methyl 3/5-fluoro-2-hydroxybenzoate.
- Furthermore both methyl-fluoro-hydroxybenzoates (methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate) possessing surprisingly low odor threshold concentrations compared to methyl salicylate and compounds with other methyl-fluoro-hydroxybenzoates (such as methyl 3/5-fluoro-2-hydroxybenzoate). Due to the surprisingly low odor threshold of methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate compared to methyl salicylate, less can be used to achieve a similar odor profile.
- Accordingly, there is provided in a first aspect of the present invention the use as flavour or fragrance of a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
- In one particular embodiment methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate is used to impart wintergreen olfactory properties to a fragrance flavor composition.
- Due to the similar odor profile of methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate compared to methyl salicylate, said compounds can be used to fully or partly replace methyl salicylate in flavor and/or fragrance compositions without forgoing the sought after wintergreen olfactory profile.
- Thus there is provided in a further aspect a flavor or fragrance composition comprising methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate, characterized in that the composition is essentially free of methyl salicylate.
- By a flavor or fragrance composition “essentially free of methyl salicylate”, a composition is meant preferably comprising 0.005 wt % or less (e.g. 0.004, 0.003, 0.002, 0.001. 0.0005, 0.0001, 0.00005, 0.00001 or less) based on said composition.
- The fragrance/flavour composition of the first aspect of the invention may be admixed by any means to a consumer product.
- As specific examples of consumer products one may mention products such as fine perfumery, e.g. perfume and eau de toilette; fabric care, household products and personal care products such as oral care products, cosmetics, laundry care detergents, rinse conditioner, personal cleansing composition, detergent for dishwasher, surface cleaner; laundry products, e.g. softener, bleach, detergent; body-care products, e.g. shampoo, shower gel; air care products, e.g. air-freshener, and the like. This list of products is given by way of illustration, and is not to be regarded as being in any way limiting.
- In one particular embodiment the consumer product is consumable. According to the present disclosure, the term “consumables” refers to products for consumption by a subject, typically via the oral cavity (although consumption may occur via non-oral means such as inhalation), for at least one of the purposes of enjoyment, nourishment, or health and wellness benefits. Consumables may be present in any form including, but not limited to, liquids, solids, semi-solids, tablets, capsules, lozenges, strips, powders, gels, gums, pastes, slurries, syrups, aerosols and sprays. The term also refers to, for example, dietary and nutritional supplements. Consumables include compositions that are placed within the oral cavity for a period of time before being discarded but not swallowed. It may be placed in the mouth before being consumed, or it may be held in the mouth for a period of time before being discarded.
- Broadly, consumables include, but are not limited to, foodstuffs of all kinds, confectionery products, baked products, sweet products, savory products, fermented products, dairy products, beverages, oral care products, nutraceuticals and pharmaceuticals.
- The term “oral care products” as used herein refers to non-food compositions that are designed to be taken into the mouth to deliver a variety of benefits. Such compositions include dentifrices, mouthwashes, mouth sprays and gargle compositions, breath strips (edible films placed in the oral cavity to administer thereto an active agent such as a flavourant or breath-freshening agent), and chewing gums. The term “dentifrice”, as used herein, means toothpaste, oral care gels or liquids, unless otherwise specified. The dentifrice composition may be a single-phase composition or it may be a combination of two or more separate dentifrice compositions. The dentifrice composition may be in any desired form, such as deep-striped, surface-striped, multilayered, having the gel surrounding the paste, or any combination thereof.
- The oral care products typically comprises further ingredients which are common in the art, such as, odorants and flavors (other than methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate), sweeteners, cooling agents, antimicrobial agents, anti-inflammatory agents, anti-caries agents, abrasives, plaque puffers, humectants, vitamins, plant extracts, desensitising agents, anti-calculus agents, preservatives, coloring agents, pH-adjusting agents, surfactants, and the like.
- Methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be employed in widely varying amounts, depending on the specific product and on the nature and quantity of the other odorant ingredients present. The proportion is typically from 0.00001 to 1 weight percent of the product. In one embodiment, methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be employed in a an oral care products in an amount from 0.1 to 0.005 wt % (e.g. toothpaste about 0.0001-0.05 wt %, or mouthwash 0.00005 to 0.01 wt %). However, these values are given only by way of example, since the experienced perfumer/flavorist may also achieve effects or may create novel odor profiles with lower or higher concentrations.
- Methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be used alone or blended with, e.g., flavor oils, such as spearmint oil, cinnamon oil, oil of wintergreen (methyl salicylate), peppermint oil, Japanese mint oil, clove oil, bay oil, anise oil, eucalyptus oil, thyme oil, cedar leaf oil, oil of nutmeg, allspice, oil of sage, mace, oil of bitter almonds, and cassia oil; useful flavoring agents include artificial, natural and synthetic fruit flavors such as vanilla, and citrus oils including lemon, orange, lime, grapefruit, yuzu, sudachi, and fruit essences including apple, pear, peach, grape, raspberry, blackberry, gooseberry, blueberry, strawberry, cherry, plum, prune, raisin, cola, guarana, neroli, pineapple, apricot, banana, melon, apricot, cherry, tropical fruit, mango, mangosteen, pomegranate, papaya, and so forth.
- In another embodiment methyl 4-fluoro-2-hydroxybenzoate and/or methyl 2-fluoro-6-hydroxybenzoate may be blended with cooling agents, such as, p-menthanecarboxamides, N-2,3-trimethyl-2-isopropyl-butanamide (WS-23), menthyl lactate (Frescolat® ML), menthone glycerol acetal (Frescolat® MGA), 3-(1-menthoxy)-propane-1,2-diol (TK-10), p-menthane-3,8-diol (known as Coolact 38D), isopulegol (known as Coolact P), monomenthyl succinate (Physcool®), monomenthyl glutarate, o-menthylglycerol, menthyl N,N-dimethylsuccinamate, 2-(sec-butyl)cyclohexan-1-one (Freskomenthe), N-(pyrazol-3-yl)-N-(thiophen-2-ylmethyl)-2-(p-tolyloxy)acetamide, 2-(4-ethylphenoxy)-N-(pyrazol-3-yl)-N-(thiophen-2-ylmethyl)acetamide, 3-(benzo[d][1,3]dioxol-5-yl)-N,N-diphenylacrylamide, 4-(2-(4-allyl-2,6-dimethoxyphenoxy)-1-ethoxypropyl)-2-methoxyphenol, 4-(2-(4-allyl-2,6-dimethoxyphenoxy)-1-((2-isopropyl-5-methylcyclohexyl)oxy)propyl)-2-methoxyphenol (including 4-(2-(4-allyl-2,6-dimethoxyphenoxy)-1-(((1S,2R,5S)-2-isopropyl-5-methylcyclohexyl)oxy)propyl)-2-methoxyphenol) and 4-(2-(4-allyl-2,6-dimethoxyphenoxy)-1-(((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)oxy)propyl)-2-methoxyphenol), N-(2-Hydroxy-2-phenylethyl)-2-isopropyl-5,5-dimethylcyclohexane-1-carboxamide, N-(4-(Cyanomethyl)phenyl)-2-isopropyl-5,5-dimethylcyclohexanecarboxamide, N-(3-Hydroxy-4-methoxyphenyl)-2-isopropyl-5,5-dimethylcyclohexanecarboxamide, 2-methyl-1-(2-(5-(p-tolyl)-1H-imidazol-2-yl)piperidin-1-yl)butan-1-one, 2-(methylthio)-1-(2-(5-(p-tolyl)-1H-imidazol-2-yl)piperidin-1-yl)propan-1-one, 2-methyl-2-(methylthio)-1-(2-(5-(p-tolyl)-1H-imidazol-2-yl)piperidin-1-yl)propan-1-one, 2,2-dimethyl-1-(2-(5-(p-tolyl)-1H-imidazol-2-yl)piperidin-1-yl)but-3-en-1-one, 1-isopropyl-3,3,5,7-tetramethyloctahydrobenzo[c]isoxazole, 5-(4-fluorophenyl)-1,3,3,5,7-pentamethyloctahydrobenzo[c]isoxazole, and 4-methyl-3-(1,3,3,5,7-pentamethyloctahydrobenzo[c]isoxazol-5-yl)benzonitrile.
- Hereinafter, the present invention will be described in further detail with reference to examples. It is to be understood, however, that these examples are for illustrative purposes only and are not to be construed to limit the scope of the present invention.
- 1.1: methyl 4-fluoro-2-hydroxybenzoate was obtained from Sigma Aldrich.
- The sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 150° C. and 0.050 mbar.
- 1H-NMR (400 MHz, CDCl3): 10.99 (d, J=1.5 Hz, 1H), 7.83 (dd, J=6.6, 8.8 Hz, 1H), 6.66 (dd, J=2.6, 10.4 Hz, 1H), 6.59 (ddt, J=0.7, 2.4, 8.6 Hz, 1H), 3.94 (s, 3H).
- 13C-NMR (101 MHz, CDCl3): 169.93 (s, 1 C), 167.21 (d, J=254.59 Hz, 1 C), 163.69 (d, J=14.10 Hz, 1 C), 132.05 (d, J=11.61 Hz, 1 C), 109.09 (d, J=2.49 Hz, 1 C), 107.30 (d, J=23.22 Hz, 1 C), 104.34 (d, J=24.05 Hz, 1 C), 52.32 (s, 1 C).
- MS (EI, 70 eV): 170 (43, [M]+.), 139 (41), 138 (100), 111 (12), 110 (60), 83 (22), 82 (16), 81 (9), 57 (15), 29 (8).
- 1.2: methyl 2-fluoro-6-hydroxybenzoate was obtained from Apollo Scientific.
- The sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 120° C. and 0.07 Torr (0.093 mbar).
- 1H-NMR (400 MHz, CDCl3): 11.27 (s, 1H), 7.38 (td, J=8.38, 5.99 Hz, 1H), 6.80 (dt, J=8.50, 1.01 Hz, 1H), 6.62 (ddd, J=11.00, 8.19, 1.10 Hz, 1H), 4.00 (s, 3H).
- 13C-NMR (101 MHz, CDCl3): 169.89 (d, J=4.15 Hz, 1 C), 163.65 (s, 1 C), 163.02 (s, 1 C), 162.02 (d, J=194.88 Hz, 1 C), 135.21-135.54 (m, 1 C), 113.33 (d, J=4.15 Hz, 1 C), 106.93 (d, J=23.22 Hz, 1 C), 101.74-103.09 (m, 1 C), 52.69 (s, 1 C).
- MS (EI, 70 eV): 170 (40, [M]+.), 139 (41), 138 (100), 111 (10), 110 (86), 83 (20), 82 (14), 81 (8), 63 (8), 57 (18).
- 1.3: methyl 3-fluoro-2-hydroxybenzoate was obtained from Apollo Scientific.
- The sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 150° C. and 0.080 mbar.
- 1H-NMR (400 MHz, CDCl3): 10.81 (s, 1H), 0.00 (td, J=1.5, 8.1 Hz, 1H), 7.28 (ddt, J=0.5, 2.0, 9.0 Hz, 1H), 6.83 (dt, J=4.5, 8.1 Hz, 1H), 3.98 (s, 3H).
- 13C-NMR (101 MHz, CDCl3): 170.10 (s, 1 C), 151.50 (d, J=236.34 Hz, 1 C), 150.21 (d, J=3.31 Hz, 1 C), 124.86 (d, J=3.32 Hz, 1 C), 121.43 (d, J=17.42 Hz, 1 C), 118.39 (d, J=6.63 Hz, 1 C), 114.46 (s, 1 C), 52.60 (s, 1 C).
- MS (EI, 70 eV): 170 (30, [M]+.), 139 (27), 138 (100), 111 (7), 110 (28), 83 (15), 82 (14), 81 (7), 57 (10), 29 (7).
- 1.4: methyl 5-fluoro-2-hydroxybenzoate was obtained from Apollo Scientific.
- The sample was purified by bulb-to-bulb distillation in a Büchi Kugelrohr B-585 at 150° C. and 0.083 mbar.
- 1H-NMR (400 MHz, CDCl3): 10.52 (s, 1H), 7.51 (dd, J=3.2, 9.0 Hz, 1H), 7.20 (ddd, J=3.2, 7.9, 8.9 Hz, 1H), 6.95 (dd, J=4.5, 9.2 Hz, 1H), 3.97 (s, 3H).
- 13C-NMR (101 MHz, CDCl3): 169.73 (d, J=2.49 Hz, 1 C), 157.84 (s, 1 C), 157.06 (d, J=152.59 Hz, 1 C), 123.26 (d, J=23.22 Hz, 1 C), 118.83 (d, J=7.46 Hz, 1 C), 115.04 (d, J=24.05 Hz, 1 C), 112.28 (d, J=7.46 Hz, 1 C), 52.55 (s, 1 C).
- MS (EI, 70 eV): 170 (39, [M]+.), 139 (32), 138 (100), 111 (13), 110 (60), 83 (20), 82 (20), 81 (10), 57 (15), 29 (9).
- A 10 wt % solution of the purified samples of Example 1 were prepared (compound @10 wt % in polyethylene glycol). The odor profile was assessed freshly dipped on smelling strips.
- Panellists have been asked to provide an odor description as compared to methyl salicylate. The results are shown in the table below.
-
compound Odor description methyl 4-fluoro-2- Wintergreen, typical methyl salicylate hydroxybenzoate character, creamy, sweet. methyl 2-fluoro-6- Sweetness, elements of wintergreen, hydroxybenzoate heliotropine facet. methyl 3-fluoro-2- Medicinal note, technical hydroxybenzoate methyl 5-fluoro-2- less sweetness, methyl salicylate character hydroxybenzoate more medicinal and phenolic. Lacks intensity. - Definition: The odour threshold concentration is defined as the lowest concentration of the vapour of an odorant material in the air which can be detected by smell and can be measured by standard methods known in the art.
- According to standard procedures known to the person skilled in the art, threshold concentrations for volatile perfumery compounds are determined on a gas chromatograph equipped with a sniff port by a panel of trained evaluators. The lowest concentration smelled by each panelist is recorded as the individual threshold concentration expressed in ng (absolute amount of compound delivered at the sniff port).
- Under identical conditions the odor threshold concentration for
-
- was measured. The results are shown below.
-
odor threshold Compound concentration (relative) methyl 4-fluoro-2-hydroxybenzoate 4 methyl 2-fluoro-6-hydroxybenzoate 1 methyl 3-fluoro-2-hydroxybenzoate 42 methyl 5-fluoro-2-hydroxybenzoate 36 methyl 2-hydroxybenzoate (Methyl Salicylate) 22 - As can be seen from the results above, for example, the odor threshold concentration of methyl 4-fluoro-2-hydroxybenzoate is more than 5 times lower than the odor threshold concentration of methyl salicylate and more than 10 times lower than the odor threshold of methyl 3-fluoro-2-hydroxybenzoate.
-
-
Compound/Ingredient parts by weight 1/100 ANETHOLE 11.00 CLOVE OILTERPENELESS 1.46 EUCALYPTUS GLOBULUS OIL 3.00 EUGENOL 7.00 LAEVO-MENTHOL 51.30 METHYL SALICYLATE 20.00 PEPPERMINT OIL 6.00 ROSEMARY OIL 0.04 SAFRALEINE ® (2,3,3-Trimethylindan-1-one) 0.02 TEA TREE OIL 0.10 THYMOL) 0.04 TOSCANOL ® (1-Cyclopropylmethyl- 0.04 4-methoxybenzene) Total 100 - The formulation above is a typical wintergreen type flavor suitable for the use in toothpaste products, at a dosage of, e.g. 1.2 wt %.
- The replacement of 20 parts methyl salicylate by 0.2 parts methyl 4-fluoro-2-hydroxybenzoate and 19.8 parts PG (Propylene Glycol) results in a profile with very similar characteristics.
-
-
Compound/Ingredient parts by weight 1/100 ANETHOLE 1.8 LAEVO-CARVONE 1.0 EUCALYPTOL 30.7 LEAVO-MENTHOL 14.0 METHYL SALICYLATE 20.0 PEPPERMINT ARVENSIS 3.5 PEPPERMINT PIPERITA 6.0 SPEARMINT OIL 2.0 THYMOL 21.0 Total 100 - The formulation above is a typical wintergreen type flavor suitable for the use in mouthwash products, at a dosage of, e.g. 0.3 wt %.
- The replacement of 20 parts methyl salicylate by 0.2 parts methyl 4-fluoro-2-hydroxybenzoate and 19.8 parts PG (propylene glycol) results in a profile with very similar characteristics.
-
-
parts by Compound/Ingredient weight 1/1000 ANAPEAR1) @10% DPG 5 ANATOLYL (2-PHENYLETHYL 2- 5 METHYLBUTANOATE) BENZYL SALICYLATE 450 DAMASCENONE @ 10% DPG 1 DIHYDRO FARNESAL (3,7,11-TRIMETHYL-6,10- 20 DODECADIENAL) BETA DIHYDRO IONONE 1 GARDENOL (1-PHENYLETHYL ACETATE) 4 HEDIONE HC 2) 10 CIS-3-HEXENOL @ 10% DPG 2 CIS-3-HEXENYL ACETATE @ 10% DPG 2 CIS-3-HEXENYL BENZOATE 40 CIS-3-HEXENYL BUTYRATE @ 10% DPG 5 CIS-3-HEXENYL HEXENOATE 1 CIS-3-HEXENYL SALICYLATE 100 INDOLE (2,3-BENZOPYROLE) 7 BETA IONONE 2 CIS JASMONE (3-methyl-2-(pent-2-en-1-yl)cyclopent- 1 2-enone) LEMON OIL 3 LINALOOL OXIDE 3 LINALOOL 10 METHYL ANTHRANILATE (METHYL 2- 1 AMINOBENZOATE) MYRALDYL ACETATE 3) 50 NEROLIDOL4) 35 OCIMENE (3,7-DIMETHYL-1,3,6-OCTATRIENE) 4 DIPROPYLENE GLYCOL (DPG) 238 Total 1000 1)Methyl (4E)-4,7-octadienoate 2) cyclopentaneacetic acid, 3-oxo-2-pentyl, methylester 3) 3/4-(4-METHYLPENTEN-3-YL)CYCLOHEX-3-ENE-1-METHYLACETATE 4)6-TRANS-3,7,11-TRIMETHYL-1,6,10-DODECATRIEN-3-OL - The accord above represents a light floral cologne accord, suitable for fine perfumery at a dosage of e.g. 5 weight %.
- The replacement of 4 parts DPG by methyl salicylate helps to reinforce the fresh, transparent, natural top note. Without methyl salicylate, the accord lacks initial freshness and neutrality on the top note.
- The replacement of 4 parts DPG by methyl 4-fluoro-2-hydroxybenzoate results in an accord with a fresh and green natural effect on the top note. Thus an accord was obtained which compensates the effects normally achieved by the presence of methyl salicylate, thus a useful compensation of methyl salicylate is obtained.
Claims (6)
1. A consumer product comprising a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
2. The consumer product according to claim 1 , wherein the product is essentially free of methyl salicylate.
3. The consumer product according to claim 1 wherein the consumer product is consumable.
4. A flavor or fragrance composition comprising a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate
5. A flavour or fragrance composition which imparts a wintergreen flavor comprising a methyl-fluoro-hydroxybenzoate selected from methyl 4-fluoro-2-hydroxybenzoate and methyl 2-fluoro-6-hydroxybenzoate.
6. The consumer product according to claim 2 wherein the consumer product is consumable.
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PCT/EP2021/084819 WO2022122836A1 (en) | 2020-12-10 | 2021-12-08 | Methyl-fluoro-hydroxybenzoates in consumer products |
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